"The Night-Born" by Jack London is a collection of short stories written in the early 20th century. The stories delve into themes of human nature, survival, and the primal instincts that emerge in the face of adversity. The opening story introduces Trefethan, an old man reminiscing about his youth as he reflects on the ideals and experiences that have shaped his life, hinting at explorations of love, loss, and the raw essence of human experience. The beginning of "The Night-Born" sets the stage in a lively San Francisco bar, where characters engage in deep discussions surrounding society's corruption and the recent death of a young boxer, O'Brien. Trefethan recounts a pivotal moment from his youth when he encountered an extraordinary woman, Lucy, among Native American tribes in an untouched valley. His narrative evokes a sense of nostalgia and longing for the vigor and romance of youth while contrasting it with his current state of being. The tension builds as he reveals the contrasting worlds of the "day-born" and the "night-born," setting the thematic tone for the stories within the collection. This exploration of duality and the character's introspection captivates the reader, inviting them to reflect on the complexities of their own existence. (This is an automatically generated summary.)